The circle of collectors and dealers is so small and so awash in cash that the process can seem to an outsider a bit like a rigged game, in which a bad deal can be considerably more valuable than a good one. If you buy a giant balloon toy for $30 million, you may have spent a few million more than you had to or even expected to; but you’ve set the value of that work and also elevated the value of all of the balloon toys in your collection. Which is especially good, since there aren’t very many people who can afford to spend $30 million on a giant balloon toy, and those who can tend to take pleasure in cornering a market.